Search Results for author: James Kotary

Found 13 papers, 2 papers with code

Metric Learning to Accelerate Convergence of Operator Splitting Methods for Differentiable Parametric Programming

no code implementations1 Apr 2024 Ethan King, James Kotary, Ferdinando Fioretto, Jan Drgona

Recent work has shown a variety of ways in which machine learning can be used to accelerate the solution of constrained optimization problems.

Decision Making Metric Learning

Learning Constrained Optimization with Deep Augmented Lagrangian Methods

no code implementations6 Mar 2024 James Kotary, Ferdinando Fioretto

Learning to Optimize (LtO) is a problem setting in which a machine learning (ML) model is trained to emulate a constrained optimization solver.

End-to-End Learning for Fair Multiobjective Optimization Under Uncertainty

no code implementations12 Feb 2024 My H Dinh, James Kotary, Ferdinando Fioretto

Many decision processes in artificial intelligence and operations research are modeled by parametric optimization problems whose defining parameters are unknown and must be inferred from observable data.

Fairness Multiobjective Optimization

Analyzing and Enhancing the Backward-Pass Convergence of Unrolled Optimization

no code implementations28 Dec 2023 James Kotary, Jacob Christopher, My H Dinh, Ferdinando Fioretto

The integration of constrained optimization models as components in deep networks has led to promising advances on many specialized learning tasks.

Predict-Then-Optimize by Proxy: Learning Joint Models of Prediction and Optimization

no code implementations22 Nov 2023 James Kotary, Vincenzo Di Vito, Jacob Christopher, Pascal Van Hentenryck, Ferdinando Fioretto

This paper proposes an alternative method, in which optimal solutions are learned directly from the observable features by predictive models.

Decision-Focused Learning: Foundations, State of the Art, Benchmark and Future Opportunities

1 code implementation25 Jul 2023 Jayanta Mandi, James Kotary, Senne Berden, Maxime Mulamba, Victor Bucarey, Tias Guns, Ferdinando Fioretto

Decision-focused learning (DFL) is an emerging paradigm in machine learning which trains a model to optimize decisions, integrating prediction and optimization in an end-to-end system.

Decision Making

Backpropagation of Unrolled Solvers with Folded Optimization

no code implementations28 Jan 2023 James Kotary, My H. Dinh, Ferdinando Fioretto

A central challenge in this setting is backpropagation through the solution of an optimization problem, which typically lacks a closed form.

Rolling Shutter Correction Structured Prediction

End-to-end Learning for Fair Ranking Systems

no code implementations21 Nov 2021 James Kotary, Ferdinando Fioretto, Pascal Van Hentenryck, Ziwei Zhu

The end-to-end SPOFR framework includes a constrained optimization sub-model and produces ranking policies that are guaranteed to satisfy fairness constraints while allowing for fine control of the fairness-utility tradeoff.

Fairness Learning-To-Rank

Fast Approximations for Job Shop Scheduling: A Lagrangian Dual Deep Learning Method

no code implementations12 Oct 2021 James Kotary, Ferdinando Fioretto, Pascal Van Hentenryck

The Jobs shop Scheduling Problem (JSP) is a canonical combinatorial optimization problem that is routinely solved for a variety of industrial purposes.

Combinatorial Optimization Job Shop Scheduling +1

Learning Hard Optimization Problems: A Data Generation Perspective

no code implementations NeurIPS 2021 James Kotary, Ferdinando Fioretto, Pascal Van Hentenryck

Optimization problems are ubiquitous in our societies and are present in almost every segment of the economy.

End-to-End Constrained Optimization Learning: A Survey

no code implementations30 Mar 2021 James Kotary, Ferdinando Fioretto, Pascal Van Hentenryck, Bryan Wilder

This paper surveys the recent attempts at leveraging machine learning to solve constrained optimization problems.

BIG-bench Machine Learning

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